More generally, rather than guessing the symbology in a trial and error process, use Add -> Symbol -> From Datafeed in quote manager to locate the correct symbol for your data feed, if your data feed supports symbol lookup. In this way, you can be sure you have it set up more correctly.

Regarding "ice vs. nybot" it's underwritten/issued by NYBOT, and trades on ICE, so they're both the right answer in a manner of speaking. That's a common point of confusion.